111401316 has 36 divisors (see below), whose sum is σ = 303260412. Its totient is φ = 34277184.

The previous prime is 111401309. The next prime is 111401317. The reversal of 111401316 is 613104111.

It can be written as a sum of positive squares in 2 ways, for example, as 17388900 + 94012416 = 4170^2 + 9696^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (111401317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118551 + ... + 119486.

Almost surely, 2^111401316 is an apocalyptic number.

It is an amenable number.

111401316 is an abundant number, since it is smaller than the sum of its proper divisors (191859096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111401316 is a wasteful number, since it uses less digits than its factorization.

111401316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238060 (or 238055 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 111401316 is about 10554.6821837514. The cubic root of 111401316 is about 481.1680407793.

Adding to 111401316 its reverse (613104111), we get a palindrome (724505427).

The spelling of 111401316 in words is "one hundred eleven million, four hundred one thousand, three hundred sixteen".